KIRK OTHMER. (1998). ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY,V-25,4TH ED. JOHN WILEY.
Cita Chicago (17th ed.)KIRK OTHMER. ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY,V-25,4TH ED. NEW-YORK: JOHN WILEY, 1998.
Cita MLA (9th ed.)KIRK OTHMER. ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY,V-25,4TH ED. JOHN WILEY, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.